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<br />Job Description <br />Pin Chasers <br />4847 N. Armenia <br />Tampa, FL <br />30 FT Oah <br /> <br />EnCon Services, Inc. <br />Sign Design Calculations <br /> <br />PREPARED BY: EnCon Services, Inc. <br />2272 Jaudon Road <br />Dover, FL 33527 <br />813-655-3373 <br />F 813-655-9814 <br /> <br />Design per ASCE 7-98 & 2001 Florida Building Code <br /> <br />Importance Factor <br />Kzt <br />Exposure B Case 2 <br />Kd <br />Kz <br />V <br />Cf <br />G <br /> <br />Number of Poles <br /> <br />Aaron Biedenbach, P.E. <br />FL# 52949 <br />FL EB# 9394 <br />FL CBC# 060535 <br />FL aB# 22527 <br />OH E60756 <br /> <br />1 <br />0.7 Table 6-5 Pg 60 ASCE 7-98 <br />120 mph <br />1.2 M/N (Larger/Smaller <= 6.0 <br />0.85 Wind Pressure <br />2 26 PSF <br /> <br />Sign <br /> <br />Area Distance to Center <br /> <br />P = Force <br /> <br />Top <br />Middle <br />Bottom <br />Poles <br /> <br /> <br />(Ib) <br />8686 <br />o <br />o <br />o <br />8,686 <br /> <br />330.00 15.00 <br /> <br />Totals <br /> <br />Required Sx <br />Provided Sx <br /> <br />33.99 inches cubed per pole <br />47.2 Existing W16x31 A361 Beam <br /> <br />Base Size Number of Bases 2 <br />Soil Resistive Moment (Sr) + Concrete Weight Moment (Me)>> Total Moment Sign <br />Base Dimensions <br /> <br />Weight of Concrete = <br />Assume Soil Pressure = <br />A=( .68)( d)(w)(O.34)( d)( 400) <br />B=(O.32)( d)(w)(O.90)( d)( 400) <br />Total Soil Resistance (Sr) <br />Mc=(w)(I)( d)( 147)( .5)(1) <br />Moment from Weight of Sign <br /> <br />5 Feet Long <br />5 Feet Wide <br />5 Feet Deep <br />147 PCF <br />400 PSF/foot of depth <br />11560 ft-Ib <br />14400 ft-Ib <br />25960 ft-Ib <br />45937.5 ft-Ib <br />12375 ft-Ib <br /> <br />Total Mom,nt Base <br />Factor of ~afety = <br /> <br />168,545 ft-Ib <br />1.3 <br /> <br />Existing Base <br /> <br />Pin Chasers Tampa <br /> <br />Moment <br />ft-Ib <br />130288 <br />o <br />o <br />o <br />130,288 <br /> <br />OK <br /> <br />Perpendicular to sign face <br />Parallel to sign face <br />From Grade <br /> <br />r <br /> <br />9/212005 <br />